Derivative vs Boolean Builder by ChatStick
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Derivative
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The DerivativeCalculus is a simple but elegant app to find the derivatives of complex multivariable functions. You can find the partial derivatives of a multivariate function and share it with others or save it locally. You can create a beautiful high quality partial derivative tree and share it with others or save it locally. Derivatives are shown in beautifully written mathematical expression It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. This app also has a Study page to help you learn important differentiation rules like, product rule, chain rule, quotient rule, ect. This app is perfect for students learning calculus. Sharpen you brain by using this app and learning about the calculus. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!
Boolean Builder by ChatStick
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Boolean Builder helps you understand digital logic through hands-on learning. Whether you're a student, a beginner in electronics, or preparing for computer engineering topics, this app makes Boolean logic visual, practical, and easy to remember. ### What you can do - Learn core concepts from binary basics to Boolean identities and De Morgan's Laws - Explore gate behavior with live input/output simulation - Generate and inspect truth tables instantly - Build your own circuits by connecting logic gates on a visual canvas - Test your knowledge with quizzes and timed logic challenges - Track your progress with completion stats, XP, streaks, and achievements ### Core topics covered - AND, OR, NOT, XOR - NAND, NOR, XNOR, BUFFER - Boolean expressions - Truth tables (2-input and advanced 3-input mode) - Circuit composition and logic flow ### Great for - High school and university students - Self-learners in coding, electronics, and computer science - Teachers who want a visual companion for logic lessons ### Premium A one-time Premium upgrade unlocks advanced lessons, advanced quizzes/challenges, and premium gates. ### Free experience The free version includes substantial learning content and core tools. Ads may be shown in free mode. Build real intuition for Boolean logic - one gate at a time.
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Verdict
The clearest difference is price: Boolean Builder by ChatStick at Free against Derivative's $1.99. Derivative's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Boolean Builder by ChatStick is free to download; Derivative costs $1.99 up front. Boolean Builder by ChatStick sells 1 one-off in-app purchase. Derivative asks for nothing beyond the download.
| Parameter | Derivative | Boolean Builder by ChatStick |
|---|---|---|
| Price | $1.99 | Free โ better |
| Update frequency | Monthly | โ |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.1 โ better | 26.2 |
| Further details โ not scored | ||
| Size | 32 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Om Prakash Chapagain | ChatStick Company Limited |
In-app purchases
Derivative
No in-app purchases
Boolean Builder by ChatStick
- Boolean Builder Premium$1.99
Questions
Is Derivative free?
Is Boolean Builder by ChatStick free?
Do Derivative or Boolean Builder by ChatStick have ads?
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